文件 1 的 9：Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
文件 2 的 9：Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 3 的 9：Detf.sol
pragma solidity >=0.8.4;
import '@openzeppelin/contracts/utils/math/SafeMath.sol';
import "./DetfReflect.sol";
contract Detf is DetfReflect {
using SafeMath for uint256;
mapping(address => address) public delegates;
struct Checkpoint {
uint256 fromBlock;
uint256 votes;
}
mapping(address => mapping(uint256 => Checkpoint)) public checkpoints;
mapping(address => uint256) public numCheckpoints;
mapping(address => uint256) public delegatorVotes;
bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)");
bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");
mapping(address => uint256) public nonces;
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance);
constructor (address uniswapV2Router_, address usdc_) DetfReflect(uniswapV2Router_, usdc_) {
}
fallback () external payable {
}
receive () external payable {
}
function delegate(address delegatee) public {
return _delegate(msg.sender, delegatee);
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual override {
_moveDelegates(delegates[sender], delegates[recipient], amount, sender, true);
super._transfer(sender, recipient, amount);
}
function delegateBySig(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) public {
bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name())), block.chainid, address(this)));
bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry));
bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "delegateBySig: Invalid signature!");
require(nonce == nonces[signatory]++, "delegateBySig: Invalid nonce!");
require(block.timestamp <= expiry, "delegateBySig: Signature expired!");
return _delegate(signatory, delegatee);
}
function getCurrentVotes(address account) external view returns (uint256) {
uint256 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
function getPriorVotes(address account, uint256 blockNumber) public view returns (uint256) {
require(blockNumber < block.number, "getPriorVotes: Not yet determined!");
uint256 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint256 lower = 0;
uint256 upper = nCheckpoints - 1;
while (upper > lower) {
uint256 center = upper - (upper - lower) / 2;
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
function _delegate(address delegator, address delegatee) internal {
address currentDelegate = delegates[delegator];
uint256 delegatorBalance = balanceOf(delegator);
delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance, delegator, false);
}
function _moveDelegates(address srcRep, address dstRep, uint256 amount, address senderVotes, bool isTransfer) internal {
uint256 delegateVotes = delegatorVotes[senderVotes];
uint256 delegatorBalance = balanceOf(senderVotes);
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
uint256 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
uint256 srcRepNew;
if (isTransfer) {
if (amount > delegateVotes) {
delegatorVotes[senderVotes] = delegatorBalance.sub(amount);
srcRepNew = srcRepOld.add(delegatorVotes[senderVotes]).sub(delegateVotes);
} else {
delegatorVotes[senderVotes] = delegateVotes - amount;
srcRepNew = srcRepOld.sub(amount);
}
} else {
if (delegateVotes != amount) {
delegatorVotes[senderVotes] = amount;
srcRepNew = srcRepOld.sub(delegateVotes);
} else {
srcRepNew = srcRepOld.sub(amount);
}
}
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
} else {
delegatorVotes[senderVotes] = amount;
}
if (dstRep != address(0)) {
uint256 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.add(amount);
if (isTransfer) delegatorVotes[dstRep] += amount;
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
} else if (!isTransfer && srcRep == dstRep && amount != delegateVotes) {
uint256 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.sub(delegateVotes).add(amount);
delegatorVotes[senderVotes] = amount;
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
function _writeCheckpoint(address delegatee, uint256 nCheckpoints, uint256 oldVotes, uint256 newVotes) internal {
uint256 blockNumber = block.number;
if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
}文件 4 的 9：DetfReflect.sol
pragma solidity >=0.8.4;
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '@openzeppelin/contracts/utils/math/SafeMath.sol';
import '@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol';
import { IUniswapV2Router02, IUniswapV2Factory, IUniswapV2Pair } from './interfaces/IUniswap.sol';
contract DetfReflect is Ownable, IERC20, IERC20Metadata {
using SafeMath for uint256;
using Address for address;
string private constant _NAME = 'DETF token';
string private constant _SYMBOL = 'DETF';
uint8 private constant _DECIMALS = 18;
uint256 private constant _MAX = ~uint256(0);
uint256 private constant _HOLD_FEE = 150;
uint256 private _holdFee = _HOLD_FEE;
uint256 private constant _TREASURE_FEE = 150;
uint256 private _treasureFee = _TREASURE_FEE;
uint256 private constant _HUNDRED_PERCENT = 10000;
uint256 private _withdrawableAmount = 100000 * (10 ** _DECIMALS);
uint256 private _tTotal = 100000000 * (10 ** _DECIMALS);
uint256 private _rTotal = (_MAX - (_MAX % _tTotal));
uint256 private _tHoldFeeTotal;
uint256 private _slippage;
bool private _swapping;
bool public inSwapAndLiquify;
address public pool;
address public uniswapV2UsdcPair;
IUniswapV2Router02 public uniswapV2Router;
IERC20 public usdc;
address[] private _excluded;
mapping (address => bool) private _isExcluded;
mapping (address => bool) private _isAmm;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
event Log(string message);
event AmmAdded(address target);
event AmmRemoved(address target);
event ExcludedAdded(address target);
event ExcludedRemoved(address target);
event PoolAddressChanged(address newPool);
event TreasureWithdraw(address receiver, uint256 amount);
event TreasureFeeAdded(uint256 totalBalance, uint256 tfee, uint256 rFee);
event UsdcReceived(address receiver, uint256 detfSwapped, uint256 usdcReceived);
constructor (address uniswapV2Router_, address usdc_) {
_rOwned[_msgSender()] = _rTotal;
usdc = IERC20(usdc_);
uniswapV2Router = IUniswapV2Router02(uniswapV2Router_);
uniswapV2UsdcPair = address(IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), address(usdc)));
excludeAccountFromRewards(msg.sender);
excludeAccountFromRewards(address(this));
excludeAccountFromRewards(uniswapV2UsdcPair);
addToAmmList(uniswapV2UsdcPair);
emit Transfer(address(0), _msgSender(), _tTotal);
}
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
function excludeAccountFromRewards(address account) public onlyOwner {
require(!_isExcluded[account], 'excludeAccountFromRewards: Account is already excluded');
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
emit ExcludedAdded(account);
}
function includeAccountForRewards(address account) public onlyOwner {
require(_isExcluded[account], 'includeAccountForRewards: Account is already excluded');
require(account != address(this), 'includeAccountForRewards: Can not include token address');
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
emit ExcludedRemoved(account);
}
function addToAmmList(address account) public onlyOwner {
require(account != address(0), 'addToAmmList: Incorrect address!');
_isAmm[account] = true;
emit AmmAdded(account);
}
function removeFromAmmList(address account) public onlyOwner {
require(account != address(0), 'removeFromAmmList: Incorrect address!');
_isAmm[account] = false;
emit AmmRemoved(account);
}
function changeWithdrawLimit(uint256 newLimit) public onlyOwner {
_withdrawableAmount = newLimit;
}
function withdraw(address recipient, uint256 amount) public onlyOwner {
uint256 balance = balanceOf(address(this));
require(balance >= _withdrawableAmount, 'withdraw: Balance is less from required limit');
require(amount <= balance, 'withdraw: Amount is more then balance');
_transfer(address(this), recipient, amount);
emit TreasureWithdraw(recipient, amount);
}
function setPoolAddress(address pool_) public onlyOwner {
require(pool_ != address(this), 'setPoolAddress: Zero address not allowed');
pool = pool_;
emit PoolAddressChanged(pool);
}
function setSlippage(uint256 slippage) public onlyOwner returns (bool) {
_slippage = slippage;
return true;
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, 'transferFrom: Transfer amount exceeds allowance'));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, 'decreaseAllowance: decreased allowance below zero'));
return true;
}
function reflect(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], 'reflect: Excluded addresses cannot call this function');
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tHoldFeeTotal = _tHoldFeeTotal.add(tAmount);
}
function name() public pure override returns (string memory) {
return _NAME;
}
function symbol() public pure override returns (string memory) {
return _SYMBOL;
}
function decimals() public pure override returns (uint8) {
return _DECIMALS;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (account == address(this) || _isExcluded[account]) return _tOwned[account];
else return tokenFromReflection(_rOwned[account]);
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function isAmmContract(address account) public view returns (bool) {
return _isAmm[account];
}
function totalFees() public view returns (uint256) {
return _tHoldFeeTotal;
}
function getSlippage() public view returns (uint256) {
return _slippage;
}
function getHoldingFee() public pure returns (uint256) {
return _HOLD_FEE;
}
function getTreasureFee() public pure returns (uint256) {
return _TREASURE_FEE;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns (uint256) {
require(tAmount <= _tTotal, 'reflectionFromToken: Amount must be less than supply');
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
require(rAmount <= _rTotal, 'tokenFromReflection: Amount must be less than total reflections');
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), '_approve: Approve from the zero address');
require(spender != address(0), '_approve: Approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), '_transfer: Transfer from the zero address');
require(recipient != address(0), '_transfer: Transfer to the zero address');
require(amount > 0, '_transfer: Transfer amount must be greater than zero');
require(balanceOf(sender) >= amount, "_transfer: The balance is insufficient");
bool cutFee = (_isAmm[recipient] || _isAmm[sender]) && !_swapping;
if (
_tOwned[address(this)] >= _withdrawableAmount &&
msg.sender != uniswapV2UsdcPair &&
!inSwapAndLiquify
) {
_swapAndSend();
}
if (!cutFee) {
_disableFee();
}
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if (!cutFee) {
_enableFee();
}
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tHoldFee,
uint256 tTreasureFee
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_claimTreasureFee(tTreasureFee);
_reflectFee(rFee, tHoldFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tHoldFee,
uint256 tTreasureFee
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_claimTreasureFee(tTreasureFee);
_reflectFee(rFee, tHoldFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tHoldFee,
uint256 tTreasureFee
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_claimTreasureFee(tTreasureFee);
_reflectFee(rFee, tHoldFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tHoldFee,
uint256 tTreasureFee
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_claimTreasureFee(tTreasureFee);
_reflectFee(rFee, tHoldFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tHoldFee) private {
_rTotal = _rTotal.sub(rFee);
_tHoldFeeTotal = _tHoldFeeTotal.add(tHoldFee);
}
function _disableFee() private {
if (_holdFee == 0 && _treasureFee == 0) return;
_swapping = true;
_holdFee = 0;
_treasureFee = 0;
}
function _enableFee() private {
_swapping = false;
_holdFee = _HOLD_FEE;
_treasureFee = _TREASURE_FEE;
}
function _claimTreasureFee(uint256 tTreasureFee) private {
uint256 currentRate = _getRate();
uint256 rTreasureFee = tTreasureFee.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTreasureFee);
_tOwned[address(this)] = _tOwned[address(this)].add(tTreasureFee);
emit TreasureFeeAdded(balanceOf(address(this)), tTreasureFee, rTreasureFee);
}
function _swapAndSend() private lockTheSwap {
_swapTokensForUSDC(_withdrawableAmount);
uint256 usdcBalance = usdc.balanceOf(address(this));
usdc.transfer(pool, usdcBalance);
emit UsdcReceived(pool, _withdrawableAmount, usdcBalance);
}
function _swapTokensForUSDC(uint256 tokenAmount) private {
require(pool != address(0), "Pool not found");
(uint256 reserveIn, uint256 reserveOut,) = IUniswapV2Pair(uniswapV2UsdcPair).getReserves();
uint256 amountOut;
try uniswapV2Router.getAmountOut(tokenAmount, reserveIn, reserveOut) {
amountOut = uniswapV2Router.getAmountOut(tokenAmount, reserveIn, reserveOut);
} catch {
_approve(address(this), address(uniswapV2Router), 0);
emit Log("DETF->USDC swap failed");
}
uint256 minAmountOut = amountOut.sub(amountOut.mul(_slippage).div(_HUNDRED_PERCENT));
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = address(usdc);
_approve(address(this), address(uniswapV2Router), tokenAmount);
try uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokenAmount,
minAmountOut,
path,
pool,
block.timestamp
) {
emit Log("DETF->USDC swap success");
} catch {
_approve(address(this), address(uniswapV2Router), 0);
emit Log("DETF->USDC swap failed");
}
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tHoldFee, uint256 tTreasureFee) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tHoldFee, tTreasureFee);
return (
rAmount,
rTransferAmount,
rFee,
tTransferAmount,
tHoldFee,
tTreasureFee
);
}
function _getReflectAmount(uint256 tAmount) private view returns (uint256) {
uint256 currentRate = _getRate();
uint256 rAmount = tAmount.mul(currentRate);
return rAmount;
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
uint256 tHoldFee = tAmount.mul(_holdFee).div(_HUNDRED_PERCENT);
uint256 tTreasureFee = tAmount.mul(_treasureFee).div(_HUNDRED_PERCENT);
uint256 tTransferAmount = tAmount.sub(tHoldFee).sub(tTreasureFee);
return (
tTransferAmount,
tHoldFee,
tTreasureFee
);
}
function _getRValues(uint256 tAmount, uint256 tHoldFee, uint256 tTreasureFee) private view returns (uint256, uint256, uint256) {
uint256 currentRate = _getRate();
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tHoldFee.mul(currentRate);
uint256 rTreasureFee = tTreasureFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTreasureFee);
return (
rAmount,
rTransferAmount,
rFee
);
}
function _getRate() private view returns (uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns (uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (
rSupply,
tSupply
);
}
}文件 5 的 9：IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
}
文件 6 的 9：IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 7 的 9：IUniswap.sol
pragma solidity 0.8.4;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}文件 8 的 9：Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 9 的 9：SafeMath.sol
pragma solidity ^0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
{
"compilationTarget": {
"contracts/Detf.sol": "Detf"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 999999
},
"remappings": []
}[{"inputs":[{"internalType":"address","name":"uniswapV2Router_","type":"address"},{"internalType":"address","name":"usdc_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"target","type":"address"}],"name":"AmmAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"target","type":"address"}],"name":"AmmRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegator","type":"address"},{"indexed":true,"internalType":"address","name":"fromDelegate","type":"address"},{"indexed":true,"internalType":"address","name":"toDelegate","type":"address"}],"name":"DelegateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"DelegateVotesChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"target","type":"address"}],"name":"ExcludedAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"target","type":"address"}],"name":"ExcludedRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"message","type":"string"}],"name":"Log","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newPool","type":"address"}],"name":"PoolAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"totalBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"tfee","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rFee","type":"uint256"}],"name":"TreasureFeeAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TreasureWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"detfSwapped","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"usdcReceived","type":"uint256"}],"name":"UsdcReceived","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"DELEGATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"addToAmmList","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"newLimit","type":"uint256"}],"name":"changeWithdrawLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"checkpoints","outputs":[{"internalType":"uint256","name":"fromBlock","type":"uint256"},{"internalType":"uint256","name":"votes","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"}],"name":"delegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegateBySig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"delegatorVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"excludeAccountFromRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getCurrentVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getHoldingFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPriorVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSlippage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTreasureFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"inSwapAndLiquify","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"includeAccountForRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isAmmContract","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isExcluded","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"numCheckpoints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tAmount","type":"uint256"}],"name":"reflect","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tAmount","type":"uint256"},{"internalType":"bool","name":"deductTransferFee","type":"bool"}],"name":"reflectionFromToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"removeFromAmmList","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"pool_","type":"address"}],"name":"setPoolAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"slippage","type":"uint256"}],"name":"setSlippage","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"rAmount","type":"uint256"}],"name":"tokenFromReflection","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalFees","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2UsdcPair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"usdc","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
